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Finding the Fourth Proportional to 300,994.05, 451,537.60 and 101,298.78

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Solution

The fourth proportional to 300,994.05, 451,537.60 and 101,298.78 is: 151,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,994.05 : 451,537.60 = 101,298.78 : x
  2. Step 2: Convert to fraction form
    300,994.05/451,537.60 = 101,298.78/x
  3. Step 3: Cross multiply
    300,994.05x = 451,537.60 × 101,298.78
  4. Step 4: Simplify right side
    300,994.05x = 45,740,208,004.13
  5. Step 5: Solve for x
    x = 45,740,208,004.13/300,994.05
  6. Step 6: Final answer
    x = 151,963.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.